CoreAI Blog

Every 'best AI for writing' roundup ends in a diplomatic tie. This one doesn't. Here's which model to use for drafts, long-form, marketing copy, and editing in 2026 — with the reasoning shown.

Thinking mode is the AI equivalent of 'let me get back to you' — slower, pricier, and sometimes dramatically better. Here's a plain-English guide to what reasoning does, when it pays off, and when it'

DeepSeek V4 comes in two flavors: Pro, which trades blows with Claude Opus on coding benchmarks, and Flash, which costs less than a gumball per million tokens. The gap between them is one benchmark po

A million tokens is roughly ten novels, one monorepo, or every email you sent last year. Three model families now offer that as the default — at prices 15x apart. Time for an honest comparison.

In 2026, a dollar of AI buys what a hundred dollars bought two years ago — if you know which budget models are secretly excellent and which are just cheap. An honest ranking, including where the cheap

Benchmarks measure the average of everyone else's work. Your prompts are not average. Here's the 90-second side-by-side method for finding your actual best model — no spreadsheet required, mild spread

Somewhere between your third and fifth AI subscription, the future started feeling like cable TV. Here's the actual math on AI subscription sprawl in 2026 — and the case for one app that carries all t

A CNBC investigation confirmed what API bills already knew: Chinese AI models carry 30-46% of enterprise token traffic on US developer platforms. Here's which models are winning, why teams route to th

Anthropic's Claude Sonnet 5 landed June 30 with a 1M-token context window by default, adaptive thinking, and performance the company says is close to Opus 4.8 — at a fraction of the price. Here's the

OpenAI shipped GPT-5.6 on July 9 with three names that sound like a tarot reading: Sol, Terra, and Luna. Here's what each tier actually does, what it costs, and which one deserves your workload.

Research doesn't fail on the question — it fails on proof. Here's how to turn Perplexity Sonar Reasoning Pro into a repeatable research ops system with citations you can actually defend.

Grok 4.20 Multi-Agent Beta doesn't just generate better answers—it changes how the work gets done. Here's what the multi-agent approach actually looks like and who should care.